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Table 4 Morbidity events and causes for death

From: Long-term outcomes of a phase II randomized controlled trial comparing intensity-modulated radiotherapy with or without weekly cisplatin for the treatment of locally recurrent nasopharyngeal carcinoma

Item CCRT group (34 patients) RT group (35 patients) χ2 P valuea
n (%) n (%)
Morbidity and events
Nasopharyngeal massive hemorrhage 3 (8.8) 12 (34.3) 6.572 0.010
Nasopharyngeal mucosal necrosis 8 (23.5) 13 (37.1) 1.510 0.219
Radiation encephalopathy 4 (11.8) 5 (14.3) 0.097 0.756
Trismus 0 (0.0) 5 (14.3) 5.237 0.022
Anterior cranial nerve palsies 1 (2.9) 2 (5.7) 0.319 0.572
Posterior cranial nerve palsies 1 (2.9) 2 (5.7) 0.319 0.572
Causes for death
Recurrence 10 (29.4) 7 (20.0) 0.823 0.364
Distant metastasis 1 (2.9) 3 (8.6) 1.001 0.317
Rrecurrence + distant metastasis 2 (5.9) 2 (5.7) 0.001 0.976
Residual disease + progression 1 (2.9) 0 (0.0) 1.045 0.307
Other diseases 0 (0.0) 3 (8.6) 3.047 0.081
Nasopharyngeal hemorrhage 2 (5.9) 10 (28.6) 6.180 0.013
Radiation encephalopathy 4 (11.8) 2 (5.7) 0.795 0.373
  1. aBy χ2 test